summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/net/dst.h2
-rw-r--r--net/core/dst.c4
-rw-r--r--net/decnet/dn_route.c4
-rw-r--r--net/ipv4/route.c7
-rw-r--r--net/ipv6/route.c5
-rw-r--r--net/xfrm/xfrm_policy.c2
6 files changed, 10 insertions, 14 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index e01855de21e8..23b564d3e110 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -352,7 +352,7 @@ static inline struct dst_entry *skb_dst_pop(struct sk_buff *skb)
}
extern int dst_discard(struct sk_buff *skb);
-extern void * dst_alloc(struct dst_ops * ops);
+extern void *dst_alloc(struct dst_ops * ops, int initial_ref);
extern void __dst_free(struct dst_entry * dst);
extern struct dst_entry *dst_destroy(struct dst_entry * dst);
diff --git a/net/core/dst.c b/net/core/dst.c
index c1674fde827d..91104d35de7d 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -166,7 +166,7 @@ EXPORT_SYMBOL(dst_discard);
const u32 dst_default_metrics[RTAX_MAX];
-void *dst_alloc(struct dst_ops *ops)
+void *dst_alloc(struct dst_ops *ops, int initial_ref)
{
struct dst_entry *dst;
@@ -177,7 +177,7 @@ void *dst_alloc(struct dst_ops *ops)
dst = kmem_cache_zalloc(ops->kmem_cachep, GFP_ATOMIC);
if (!dst)
return NULL;
- atomic_set(&dst->__refcnt, 0);
+ atomic_set(&dst->__refcnt, initial_ref);
dst->ops = ops;
dst->lastuse = jiffies;
dst->path = dst;
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 42c9c62d3417..06c054d5ccba 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -1122,7 +1122,7 @@ make_route:
if (dev_out->flags & IFF_LOOPBACK)
flags |= RTCF_LOCAL;
- rt = dst_alloc(&dn_dst_ops);
+ rt = dst_alloc(&dn_dst_ops, 0);
if (rt == NULL)
goto e_nobufs;
@@ -1383,7 +1383,7 @@ static int dn_route_input_slow(struct sk_buff *skb)
}
make_route:
- rt = dst_alloc(&dn_dst_ops);
+ rt = dst_alloc(&dn_dst_ops, 0);
if (rt == NULL)
goto e_nobufs;
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 79a287181025..9841543c468d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1818,12 +1818,10 @@ static void rt_set_nexthop(struct rtable *rt, struct fib_result *res, u32 itag)
static struct rtable *rt_dst_alloc(bool nopolicy, bool noxfrm)
{
- struct rtable *rt = dst_alloc(&ipv4_dst_ops);
+ struct rtable *rt = dst_alloc(&ipv4_dst_ops, 1);
if (rt) {
rt->dst.obsolete = -1;
- atomic_set(&rt->dst.__refcnt, 1);
-
rt->dst.flags = DST_HOST |
(nopolicy ? DST_NOPOLICY : 0) |
(noxfrm ? DST_NOXFRM : 0);
@@ -2679,12 +2677,11 @@ static int ipv4_dst_blackhole(struct net *net, struct rtable **rp, struct flowi
{
struct rtable *ort = *rp;
struct rtable *rt = (struct rtable *)
- dst_alloc(&ipv4_dst_blackhole_ops);
+ dst_alloc(&ipv4_dst_blackhole_ops, 1);
if (rt) {
struct dst_entry *new = &rt->dst;
- atomic_set(&new->__refcnt, 1);
new->__use = 1;
new->input = dst_discard;
new->output = dst_discard;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index ad8556e6fd41..7946b53692da 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -221,7 +221,7 @@ static struct rt6_info ip6_blk_hole_entry_template = {
/* allocate dst with ip6_dst_ops */
static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops)
{
- return (struct rt6_info *)dst_alloc(ops);
+ return (struct rt6_info *)dst_alloc(ops, 0);
}
static void ip6_dst_destroy(struct dst_entry *dst)
@@ -873,13 +873,12 @@ int ip6_dst_blackhole(struct sock *sk, struct dst_entry **dstp, struct flowi *fl
{
struct rt6_info *ort = (struct rt6_info *) *dstp;
struct rt6_info *rt = (struct rt6_info *)
- dst_alloc(&ip6_dst_blackhole_ops);
+ dst_alloc(&ip6_dst_blackhole_ops, 1);
struct dst_entry *new = NULL;
if (rt) {
new = &rt->dst;
- atomic_set(&new->__refcnt, 1);
new->__use = 1;
new->input = dst_discard;
new->output = dst_discard;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 8b3ef404c794..3f1257add4f3 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1340,7 +1340,7 @@ static inline struct xfrm_dst *xfrm_alloc_dst(struct net *net, int family)
default:
BUG();
}
- xdst = dst_alloc(dst_ops) ?: ERR_PTR(-ENOBUFS);
+ xdst = dst_alloc(dst_ops, 0) ?: ERR_PTR(-ENOBUFS);
xfrm_policy_put_afinfo(afinfo);
xdst->flo.ops = &xfrm_bundle_fc_ops;